///*******************************************************************************
// * Copyright (c) 2009 IBM Corporation and others.
// * All rights reserved. This program and the accompanying materials
// * are made available under the terms of the Eclipse Public License v1.0
// * which accompanies this distribution, and is available at
// * http://www.eclipse.org/legal/epl-v10.html
// *
// * Contributors:
// *     IBM Corporation - initial API and implementation
// ******************************************************************************/
//
//package org.eclipse.ui.tests.services;
//
//import org.eclipse.core.expressions.EvaluationResult;
//import org.eclipse.core.expressions.Expression;
//import org.eclipse.core.expressions.ExpressionInfo;
//import org.eclipse.core.expressions.IEvaluationContext;
//import org.eclipse.core.resources.IFile;
//import org.eclipse.core.resources.IProject;
//import org.eclipse.core.runtime.CoreException;
//import org.eclipse.jface.util.IPropertyChangeListener;
//import org.eclipse.jface.util.PropertyChangeEvent;
//import org.eclipse.ui.IEditorInput;
//import org.eclipse.ui.IEditorPart;
//import org.eclipse.ui.IReusableEditor;
//import org.eclipse.ui.ISources;
//import org.eclipse.ui.IWorkbenchPage;
//import org.eclipse.ui.IWorkbenchWindow;
//import org.eclipse.ui.ide.IDE;
//import org.eclipse.ui.internal.util.Util;
//import org.eclipse.ui.part.FileEditorInput;
//import org.eclipse.ui.services.IEvaluationService;
//import org.eclipse.ui.tests.api.MockReusableEditorPart;
//import org.eclipse.ui.tests.harness.util.FileUtil;
//import org.eclipse.ui.tests.harness.util.UITestCase;
//
///**
// * @since 3.5
// *
// */
//public class EditorSourceTest extends UITestCase {
//
//	private static class MyEval implements IPropertyChangeListener {
//		public int count = 0;
//		public boolean currentValue;
//
//		/*
//		 * (non-Javadoc)
//		 *
//		 * @see
//		 * org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org
//		 * .eclipse.jface.util.PropertyChangeEvent)
//		 */
//		public void propertyChange(PropertyChangeEvent event) {
//			count++;
//			if (event.getProperty() == IEvaluationService.RESULT
//					&& event.getNewValue() instanceof Boolean) {
//				currentValue = ((Boolean) event.getNewValue()).booleanValue();
//			}
//		}
//	}
//
//	private static class InputExpression extends Expression {
//		public IEditorInput editorInput;
//		public Object stateInput;
//
//		public InputExpression(IEditorInput i) {
//			editorInput = i;
//		}
//
//		/*
//		 * (non-Javadoc)
//		 *
//		 * @see
//		 * org.eclipse.core.expressions.Expression#collectExpressionInfo(org
//		 * .eclipse.core.expressions.ExpressionInfo)
//		 */
//		public void collectExpressionInfo(ExpressionInfo info) {
//			info.addVariableNameAccess(ISources.ACTIVE_EDITOR_INPUT_NAME);
//		}
//
//		/*
//		 * (non-Javadoc)
//		 *
//		 * @see
//		 * org.eclipse.core.expressions.Expression#evaluate(org.eclipse.core
//		 * .expressions.IEvaluationContext)
//		 */
//		public EvaluationResult evaluate(IEvaluationContext context)
//				throws CoreException {
//			stateInput = context.getVariable(ISources.ACTIVE_EDITOR_INPUT_NAME);
//			return EvaluationResult.valueOf(Util
//					.equals(stateInput, editorInput));
//		}
//
//	}
//
//	private IProject project;
//	private IFile test1;
//	private IFile test2;
//
//	public EditorSourceTest(String testName) {
//		super(testName);
//	}
//
//	/*
//	 * (non-Javadoc)
//	 *
//	 * @see org.eclipse.ui.tests.harness.util.UITestCase#doSetUp()
//	 */
//	protected void doSetUp() throws Exception {
//		super.doSetUp();
//		project = FileUtil.createProject("testActiveEditor");
//		test1 = FileUtil.createFile("test1.mockr1", project);
//		test2 = FileUtil.createFile("test2.mockr1", project);
//	}
//
//	public void testActiveEditor() throws Exception {
//		IWorkbenchWindow window = openTestWindow();
//		IEvaluationService es = (IEvaluationService) window
//				.getService(IEvaluationService.class);
//		IWorkbenchPage page = window.getActivePage();
//		IEditorPart editor1 = IDE.openEditor(page, test1, true);
//		assertNotNull(editor1);
//		assertEquals(MockReusableEditorPart.ID1, editor1.getSite().getId());
//		IEditorPart editor2 = IDE.openEditor(page, test2, true);
//		assertNotNull(editor2);
//
//		FileEditorInput input1 = new FileEditorInput(test1);
//		FileEditorInput input2 = new FileEditorInput(test2);
//		MyEval listener = new MyEval();
//		InputExpression expr = new InputExpression(input1);
//		es.addEvaluationListener(expr, listener, IEvaluationService.RESULT);
//		assertFalse(listener.currentValue);
//		assertEquals(1, listener.count);
//		assertEquals(input2, expr.stateInput);
//
//		IEditorPart foundEditor = page.findEditor(input1);
//		assertNotNull(foundEditor);
//		assertEquals(editor1, foundEditor);
//
//		page.activate(editor1);
//		processEvents();
//
//		assertEquals(2, listener.count);
//		assertEquals(input1, expr.stateInput);
//		assertTrue(listener.currentValue);
//
//		assertTrue(editor1.getClass().getName(),
//				editor1 instanceof IReusableEditor);
//		IReusableEditor reditor1 = (IReusableEditor) editor1;
//		reditor1.setInput(input2);
//
//		assertFalse(listener.currentValue);
//		assertEquals(3, listener.count);
//		assertEquals(input2, expr.stateInput);
//
//		reditor1.setInput(input1);
//		assertEquals(4, listener.count);
//		assertEquals(input1, expr.stateInput);
//		assertTrue(listener.currentValue);
//
//		reditor1.setInput(input2);
//
//		assertFalse(listener.currentValue);
//		assertEquals(5, listener.count);
//		assertEquals(input2, expr.stateInput);
//
//		page.activate(editor2);
//		processEvents();
//		assertFalse(listener.currentValue);
//		assertEquals(5, listener.count);
//		assertEquals(input2, expr.stateInput);
//
//		reditor1.setInput(input1);
//		assertFalse(listener.currentValue);
//		assertEquals(5, listener.count);
//		assertEquals(input2, expr.stateInput);
//
//		page.activate(editor1);
//		processEvents();
//
//		assertEquals(6, listener.count);
//		assertEquals(input1, expr.stateInput);
//		assertTrue(listener.currentValue);
//	}
//}
